What airlines fly to District of Columbia?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to District of Columbia from Trieste according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 3 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to District of Columbia?

Prices for flights from Trieste Ronchi dei Legionari Airport to District of Columbia refresh daily.

How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to District of Columbia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$726 Cheap Flights from Trieste to District of Columbia in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Trieste to District of Columbia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 pm - 2:35 pm

TRS

IAD

26h 20m

2 stops

6:05 pm - 5:05 pm

IAD

TRS

17h 00m

2 stops

$918Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

7:15 pm - 2:35 pm

TRS

IAD

25h 20m

3 stops

6:05 pm - 5:05 pm

IAD

TRS

17h 00m

2 stops

$964Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

8:00 am - 6:30 pm

TRS

IAD

16h 30m

2 stops

10:20 pm - 9:50 am

IAD

TRS

29h 30m

1 stop

$1,109Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

7:15 pm - 2:35 pm

TRS

IAD

25h 20m

3 stops

6:05 pm - 10:25 am

IAD

TRS

34h 20m

3 stops

$1,173Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

2:40 pm - 8:15 pm

TRS

IAD

11h 35m

1 stop

5:40 pm - 10:55 pm

IAD

TRS

23h 15m

1 stop

$1,187Lufthansa

Mon, Feb 23 - Fri, Feb 27

2:40 pm - 8:15 pm

TRS

IAD

11h 35m

1 stop

10:00 pm - 10:55 pm

IAD

TRS

18h 55m

2 stops

$1,189Lufthansa

Mon, Feb 23 - Fri, Feb 27

6:35 am - 4:40 pm

TRS

IAD

40h 05m

2 stops

8:30 pm - 10:55 pm

IAD

TRS

20h 25m

2 stops

$1,203SWISS

Mon, Feb 23 - Fri, Feb 27

Lufthansa flights from Trieste to District of Columbia

Our best Lufthansa deals on Trieste to District of Columbia flight tickets

Lufthansa

Feb 23

TRS2:40 pmTrieste Ronchi dei Legionari

11h 35m

1 stop

IAD8:15 pmWashington, D.C. Dulles Intl

Feb 27

IAD5:40 pmWashington, D.C. Dulles Intl

23h 15m

1 stop

TRS10:55 pmTrieste Ronchi dei Legionari

$1,187

Lufthansa

Feb 23

TRS2:40 pmTrieste Ronchi dei Legionari

11h 35m

1 stop

IAD8:15 pmWashington, D.C. Dulles Intl

Feb 27

IAD10:00 pmWashington, D.C. Dulles Intl

18h 55m

2 stops

TRS10:55 pmTrieste Ronchi dei Legionari

$1,189

momondo Fare Finder

Use the filters below to find and compare flights from Trieste to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

6:15 pm-2:35 pm

2 stops26h 20m

Washington, D.C. Dulles Intl

Fri 2/27

6:05 pm-5:05 pm

2 stops17h 00m

$918

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

7:15 pm-2:35 pm

3 stops25h 20m

Washington, D.C. Dulles Intl

Fri 2/27

6:05 pm-5:05 pm

2 stops17h 00m

$964

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

8:00 am-6:30 pm

2 stops16h 30m

Washington, D.C. Dulles Intl

Fri 2/27

10:20 pm-9:50 am

1 stop29h 30m

$1,109

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

7:15 pm-2:35 pm

3 stops25h 20m

Washington, D.C. Dulles Intl

Fri 2/27

6:05 pm-10:25 am

3 stops34h 20m

$1,173

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

2:40 pm-8:15 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 2/27

5:40 pm-10:55 pm

1 stop23h 15m

$1,187

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

2:40 pm-8:15 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 2/27

10:00 pm-10:55 pm

2 stops18h 55m

$1,189

TriesteWashington, D.C.

TRS - IAD

TRSIAD

Trieste Ronchi dei Legionari

Mon 2/23

6:35 am-4:40 pm

2 stops40h 05m

Washington, D.C. Dulles Intl

Fri 2/27

8:30 pm-10:55 pm

2 stops20h 25m

$1,203

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Trieste to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Trieste to District of Columbia flights?

You could potentially save up to 7% on your flight if you consider stops on a Trieste to District of Columbia flight.

Cheap Trieste to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trieste to District of Columbia

Fastest flight time	15h 35m
Direct flights	None

The fastest flight from Trieste to District of Columbia takes 15h 35m

There are no direct flights from Trieste to District of Columbia. There are no popular flight routes from Trieste to District of Columbia.

Search flight deals

When did momondo last update prices for flights from Trieste Ronchi dei Legionari Airport to District of Columbia?
Prices for flights from Trieste Ronchi dei Legionari Airport to District of Columbia refresh daily.
How old do you have to be to fly from Trieste Ronchi dei Legionari Airport to District of Columbia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Trieste Ronchi dei Legionari Airport to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Trieste to District of Columbia?

Finding the right flight to District of Columbia from Trieste is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to District of Columbia quick and easy, saving you time and money.

Can I find flights from Trieste to District of Columbia with flexible booking policies on momondo?

Flights from Trieste to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Trieste to District of Columbia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Trieste to District of Columbia.

I’m not ready to book a flight from Trieste to District of Columbia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to District of Columbia, momondo offers a useful price alert feature which will track prices for flights to District of Columbia from Trieste and alert you when they change.